{"resourceType":"SearchParameter","id":"CodeSystem-system","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"}],"url":"http://hl7.org/fhir/SearchParameter/CodeSystem-system","version":"4.0.1","name":"system","status":"draft","experimental":false,"date":"2021-01-17T07:06:13+11:00","publisher":"Health Level Seven International (Vocabulary)","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/Vocab/index.cfm"}]}],"description":"The system for any codes defined by this code system (same as 'url')","code":"system","base":["CodeSystem"],"type":"uri","expression":"CodeSystem.url","xpath":"f:CodeSystem/f:url","xpathUsage":"normal"}